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Finding the Fourth Proportional to 225,326.76, 310,619.64 and 171,518.04

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Solution

The fourth proportional to 225,326.76, 310,619.64 and 171,518.04 is: 236,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,326.76 : 310,619.64 = 171,518.04 : x
  2. Step 2: Convert to fraction form
    225,326.76/310,619.64 = 171,518.04/x
  3. Step 3: Cross multiply
    225,326.76x = 310,619.64 × 171,518.04
  4. Step 4: Simplify right side
    225,326.76x = 53,276,871,838.31
  5. Step 5: Solve for x
    x = 53,276,871,838.31/225,326.76
  6. Step 6: Final answer
    x = 236,442.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.